#include <stdio.h>
int main()
{	    	       	 
    char ch;
    printf("Please input a char:");
    ch = getchar();
    if (ch >= 'a' && ch <= 'z' || ch >= 'A' && ch <= 'Z')
    {	    	       	 
        printf("It is an English character!");
    }
    else if (ch <= '9' && ch >= '0')
    {	    	       	 
        printf("It is a digit character!");
    }
    else
    {	    	       	 
        printf("It is other character!");
    }
    return 0;
}